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Forces on Elliptic Cylinders in Uniform Air Stream (1929)

NASA Technical Reports Server (NTRS) · leaf 11

An illustration from Forces on Elliptic Cylinders in Uniform Air Stream, 1929, leaf 11
10 REPORT NATIONAL ADVISORY COMMITTEE FOR AERONAUTICS CJD curve which would mean that improved characteristics could be obtained with a fineness ratio smaller than 4.0. If we assume a speed of 150 miles an hour and streamline wire with a thickness of one-fourth inch, Fld = 4.6 (ft. xft./sec), at… … any simple quadric, fixed at any 16.—Elliptic cylinder 2 by 8 inches, Graphs indicate theoretical values. p=l — Fi<;. attitude in a uniform infinite (a+6)ty2/[&4+(a2-&2)*/2] where unit pressure=p V'1/: pdy stream of inviscid liquid, it can be shown, Reference 3, that the zonal pressure drag is…

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